At Kscope this year, I attended a half day in-depth session
entitled Data Warehousing Performance Best Practices, given by
Maria
Colgan of Oracle. In that session, there was a section on how
to determine I/O throughput for a system, because in data
warehousing I/O per second (iops) is less important than I/O
throughput (how much actual data goes through, not just how many
reads/writes).

The section contained an Oracle-specific in-database tool, and a
standalone tool that can be used on many operating systems,
regardless of whether or not a database exists:

It recently came up that it would be helpful if we had a cheat
sheet to find out the machine names for any given UNIX. I knew
these off the top of my head but it would be great if people
added more as comments.

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